2002222012021 has 64 divisors (see below), whose sum is σ = 2716345013760. Its totient is φ = 1427768156160.

The previous prime is 2002222012001. The next prime is 2002222012031. The reversal of 2002222012021 is 1202102222002.

It is a cyclic number.

It is not a de Polignac number, because 2002222012021 - 2⁹ = 2002222011509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002222011986 and 2002222012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002222012001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77915851 + ... + 77941543.

It is an arithmetic number, because the mean of its divisors is an integer number (42442890840).

Almost surely, 2^{2002222012021} is an apocalyptic number.

It is an amenable number.

2002222012021 is a deficient number, since it is larger than the sum of its proper divisors (714123001739).

2002222012021 is a wasteful number, since it uses less digits than its factorization.

2002222012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27374.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002222012021 its reverse (1202102222002), we get a palindrome (3204324234023).

The spelling of 2002222012021 in words is "two trillion, two billion, two hundred twenty-two million, twelve thousand, twenty-one".